I-99 weather conditions near Altoona, Pennsylvania
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Seasoned Weather Conditions
Current Weather Conditions
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7 day weather forecast
Current condition: A Few Clouds 85°F 2025-07-07T11:53:00-04:00
This Afternoon 2025-07-07, Chance T-storms. A chance of showers and thunderstorms, mainly after 5pm. Mostly sunny, with a high near 91. Southwest wind 3 to 6 mph. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tonight 2025-07-07, Chance T-storms. A chance of showers and thunderstorms, mainly before 2am. Partly cloudy, with a low around 68. West wind around 5 mph becoming calm in the evening. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tuesday 2025-07-08, Chance Showers then Chance T-storms. A chance of showers, with thunderstorms also possible after 11am. Partly sunny, with a high near 85. Calm wind becoming west around 6 mph in the morning. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tuesday Night 2025-07-08, Chance T-storms then Partly Cloudy. A chance of thunderstorms before 8pm. Partly cloudy, with a low around 64. Light west wind. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday 2025-07-09, Partly Sunny then Slight Chance T-storms. A slight chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 86. Light west wind. Chance of precipitation is 20%.
Wednesday Night 2025-07-09, Slight Chance T-storms. A slight chance of showers and thunderstorms. Mostly cloudy, with a low around 65. Chance of precipitation is 20%.
Thursday 2025-07-10, Mostly Cloudy then Chance T-storms. A chance of showers and thunderstorms after 2pm. Mostly cloudy, with a high near 83. Chance of precipitation is 50%.
Thursday Night 2025-07-10, Chance T-storms then Chance Showers. A chance of showers and thunderstorms before 8pm, then a chance of showers between 8pm and 2am. Mostly cloudy, with a low around 65. Chance of precipitation is 30%.
Friday 2025-07-11, Partly Sunny then Chance T-storms. A chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 85. Chance of precipitation is 40%.
Friday Night 2025-07-11, Chance T-storms then Mostly Cloudy. A chance of showers and thunderstorms before 8pm. Mostly cloudy, with a low around 66. Chance of precipitation is 30%.
Saturday 2025-07-12, Chance Showers then Chance T-storms. A chance of showers and thunderstorms. Partly sunny, with a high near 84. Chance of precipitation is 50%.
Saturday Night 2025-07-12, Chance T-storms then Chance Showers. A chance of showers and thunderstorms. Mostly cloudy, with a low around 67. Chance of precipitation is 40%.
Sunday 2025-07-13, Chance Showers then Showers Likely. Showers likely and possibly a thunderstorm. Partly sunny, with a high near 84. Chance of precipitation is 60%.
Current condition: A Few Clouds 85°F 2025-07-07T11:53:00-04:00 
This Afternoon 2025-07-07, Chance T-storms. A chance of showers and thunderstorms, mainly after 5pm. Mostly sunny, with a high near 91. Southwest wind 3 to 6 mph. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tonight 2025-07-07, Chance T-storms. A chance of showers and thunderstorms, mainly before 2am. Partly cloudy, with a low around 68. West wind around 5 mph becoming calm in the evening. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.Tuesday 2025-07-08, Chance Showers then Chance T-storms. A chance of showers, with thunderstorms also possible after 11am. Partly sunny, with a high near 85. Calm wind becoming west around 6 mph in the morning. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tuesday Night 2025-07-08, Chance T-storms then Partly Cloudy. A chance of thunderstorms before 8pm. Partly cloudy, with a low around 64. Light west wind. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday 2025-07-09, Partly Sunny then Slight Chance T-storms. A slight chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 86. Light west wind. Chance of precipitation is 20%.
Wednesday Night 2025-07-09, Slight Chance T-storms. A slight chance of showers and thunderstorms. Mostly cloudy, with a low around 65. Chance of precipitation is 20%.Thursday 2025-07-10, Mostly Cloudy then Chance T-storms. A chance of showers and thunderstorms after 2pm. Mostly cloudy, with a high near 83. Chance of precipitation is 50%.
Thursday Night 2025-07-10, Chance T-storms then Chance Showers. A chance of showers and thunderstorms before 8pm, then a chance of showers between 8pm and 2am. Mostly cloudy, with a low around 65. Chance of precipitation is 30%.
Friday 2025-07-11, Partly Sunny then Chance T-storms. A chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 85. Chance of precipitation is 40%.
Friday Night 2025-07-11, Chance T-storms then Mostly Cloudy. A chance of showers and thunderstorms before 8pm. Mostly cloudy, with a low around 66. Chance of precipitation is 30%.
Saturday Night 2025-07-12, Chance T-storms then Chance Showers. A chance of showers and thunderstorms. Mostly cloudy, with a low around 67. Chance of precipitation is 40%.
Sunday 2025-07-13, Chance Showers then Showers Likely. Showers likely and possibly a thunderstorm. Partly sunny, with a high near 84. Chance of precipitation is 60%.